Detect if osk is visible on windows

ui/base/win/osk_display_manager.cc

Index: ui/base/win/osk_display_manager.cc
diff --git a/ui/base/win/osk_display_manager.cc b/ui/base/win/osk_display_manager.cc
index 0373b48bdd39f79b4f04d4ea45d1326c68a7e48f..5d9e7c3ecb42e6319b72017d16d3e2e97dccf2bb 100644
--- a/ui/base/win/osk_display_manager.cc
+++ b/ui/base/win/osk_display_manager.cc
@@ -63,6 +63,9 @@ class OnScreenKeyboardDetector {
   void AddObserver(OnScreenKeyboardObserver* observer);
   void RemoveObserver(OnScreenKeyboardObserver* observer);
 
+  // Returns true if the osk is visible. Sets osk bounding rect if non-null
+  static bool IsKeyboardVisible(gfx::Rect* osk_bounding_rect);
+
  private:
   // Executes as a task and detects if the on screen keyboard is displayed.
   // Once the keyboard is displayed it schedules the HideIfNecessary() task to
@@ -166,15 +169,21 @@ void OnScreenKeyboardDetector::RemoveObserver(
   observers_.RemoveObserver(observer);
 }
 
-void OnScreenKeyboardDetector::CheckIfKeyboardVisible() {
+// static
+bool OnScreenKeyboardDetector::IsKeyboardVisible(gfx::Rect* osk_bounding_rect) {
   HWND osk = ::FindWindow(kOSKClassName, nullptr);
   if (!::IsWindow(osk))
-    return;
+    return false;
+  if (osk_bounding_rect) {
+    RECT osk_rect = {};
+    ::GetWindowRect(osk, &osk_rect);
+    *osk_bounding_rect = gfx::Rect(osk_rect);
+  }
+  return ::IsWindowVisible(osk) && ::IsWindowEnabled(osk);
+}
 
-  RECT osk_rect = {};
-  ::GetWindowRect(osk, &osk_rect);
-  osk_rect_pixels_ = gfx::Rect(osk_rect);
-  if (::IsWindowVisible(osk) && ::IsWindowEnabled(osk)) {
+void OnScreenKeyboardDetector::CheckIfKeyboardVisible() {
+  if (IsKeyboardVisible(&osk_rect_pixels_)) {
     if (!osk_visible_notification_received_)
       HandleKeyboardVisible();
   } else {
@@ -360,4 +369,8 @@ bool OnScreenKeyboardDisplayManager::GetOSKPath(base::string16* osk_path) {
   return !osk_path->empty();
 }
 
+bool OnScreenKeyboardDisplayManager::IsKeyboardVisible() const {
+  return OnScreenKeyboardDetector::IsKeyboardVisible(nullptr);
+}
+
 }  // namespace ui